CN101775701B - One-way moisture-transfer all-cotton spunlaced nonwoven as well as product and preparation method thereof - Google Patents
One-way moisture-transfer all-cotton spunlaced nonwoven as well as product and preparation method thereof Download PDFInfo
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- CN101775701B CN101775701B CN200910239652XA CN200910239652A CN101775701B CN 101775701 B CN101775701 B CN 101775701B CN 200910239652X A CN200910239652X A CN 200910239652XA CN 200910239652 A CN200910239652 A CN 200910239652A CN 101775701 B CN101775701 B CN 101775701B
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Abstract
The invention discloses a one-way moisture-transfer all-cotton spunlaced nonwoven and as well as a product and a preparation method thereof. The all-cotton spunlaced nonwoven comprises an all-cotton spunlaced nonwoven matrix, the all-cotton spunlaced nonwoven matrix comprises a hydrophobic surface and a hydrophilic surface, wherein the hydrophobic surface contains hydrophobic substances used for transferring moisture from the hydrophobic surface to the hydrophilic surface. The one-way moisture-transfer all-cotton spunlaced nonwoven selects an all-cotton material, has light and soft texture and good one-way moisture-transfer effect and can effectively absorb and permeate the moisture and prevent the moisture from reversely flowing, thereby enabling the hydrophobic surface directly contacting with the skin of a human body to keep dry and bringing about more comfortable feeling for a user of a one-way moisture-transfer product.
Description
Technical field
The present invention relates to the nonwoven fabric field, relate in particular to a kind of cotton spunlace non-woven cloth, goods and manufacture method thereof of one-way wet-guide.
Background technology
Cotton is a native cellulose fibre, have good hygroscopicity, gas permeability and comfortableness, but the hygroscopicity of cotton fiber itself causes it to have certain regain, people wear the clothing of common cotton spunlace non-woven cloth lining or other goods in motion process, the heat and the sweat that produce in the body emit and conduct to the clothing inner surface by skin, moisture in the sweat is adsorbed and can't in time discharge by cotton fiber, causes clothes to be close on the skin of human body and causes sticking wet discomfort.
Find after deliberation,, can make moisture such as sweat migrate to the surface of fabric rapidly, and volatilization rapidly, do soon to reach clothing, the dry and comfortable comfortable purpose of maintenance human body skin by approach such as diffusion, transmission if nonwoven fabric is carried out the one-way wet-guide arrangement.So-called one-way moisture-guiding fabric is meant the tow sides of fabric, or inside and outside two-layer have different moisture absorptions, hydrofuge performance, when one-way moisture-guiding fabric contact human body skin surface, lead the wet very strong directionality that has, the sweat that the human body skin surface produces can be spontaneously from the hydrophobic skin surface of fabric, continuously be transported to hydrophilic outer surface and volatilization dissipates, improved to a great extent that leading of fabric is wet, the hydrofuge performance, thereby kept the dry and comfortable and comfortable of skin.In theory, the hydroscopic fast-drying ability of this one-way moisture-guiding fabric and the comfort level that brings human body are considerably beyond the consistent fabric of the hydrophilic, hydrophobic performance of tow sides.
A kind of prior art such as the day for announcing are on December 22nd, 2006, notification number is CN 2839315Y, the utility model name is called the Chinese patent of " a kind of sweat absorption and flash drying compound needle fabric with one-way wet-guide ", disclosed in a kind of one-way moisture-guiding fabric, select the two kinds of discrepant different in nature cross section of wettability power yarns for use, the relatively poor different in nature cross section yarn of wettability power is organized in internal layer, and the stronger different in nature cross section yarn of wettability power is woven in outer and other numbers of plies.That this technical scheme can only be applicable to is knitting, in the tatting series products, and because the ectonexine yarn adopts different materials, its gas permeability is relative with comfort level relatively poor; And in the frivolous cotton goods such as cotton spunlace non-woven cloth, in view of the strong absorptive energy of cotton fiber, realize that the technology difficulty of one-way wet-guide function is very big, and the technical scheme of layering is difficult to satisfy light, the thin requirement of goods.
Summary of the invention
The main technical problem to be solved in the present invention is that a kind of unidirectional one-way wet-guide performance is good, improve the one-way wet-guide of human comfort nonwoven fabric, goods and manufacture method thereof are provided.
For solving the problems of the technologies described above, the invention provides a kind of cotton spunlace non-woven cloth of one-way wet-guide, comprise cotton spunlace non-woven cloth matrix, described cotton spunlace non-woven cloth matrix comprises hydrophobic surface and hydrophilic surface, and described hydrophobic surface contains and is useful on the hydrophobic substance that moisture is conducted to described hydrophilic surface from described hydrophobic surface.
Described hydrophobic substance is the hydrophobic film layer that is coated on the cotton fiber surface of described hydrophobic surface, and perhaps net distribution is in the hydrophobic film layer of described hydrophobic surface.
Further, contain nanometer wool particle in the described hydrophobic film layer.For example described nanometer wool particle grain size scope is 50nm～90nm.
The present invention has also protected a kind of goods of one-way wet-guide, and described goods comprise the cotton spunlace non-woven cloth of above-described one-way wet-guide.
And a kind of manufacture method of cotton spunlace non-woven cloth of one-way wet-guide, use hydrophobic substance to put in order at the single face of cotton spunlace non-woven cloth matrix.
Described hydrophobic substance is a nanometer wool emulsion.
Among a kind of embodiment, described arrangement comprises: the single face that described nanometer wool emulsion is sprayed on described cotton spunlace non-woven cloth matrix;
Described cotton spunlace non-woven cloth matrix is carried out dried.
Among the another kind of embodiment, described arrangement comprises: the mode by the plain net printing is printed on one side described cotton spunlace non-woven cloth matrix, makes described nanometer wool emulsion be the single face of net distribution in cotton spunlace non-woven cloth matrix.
The present invention has also protected a kind of cotton spunlace non-woven cloth of one-way wet-guide and has comprised the goods of this cotton spunlace non-woven cloth, and described cotton spunlace non-woven cloth is made by above-described method.
The invention has the beneficial effects as follows: cotton spunlace non-woven cloth, goods and the manufacture method thereof of one-way wet-guide provided by the invention makes the cotton spunlace non-woven cloth have good one-way wet-guide effect, can effectively absorb and permeate moisture, avoid the moisture adverse current, maintenance is dry and comfortable with the hydrophobic surface that human body skin directly contacts.
Because Collator Mode by spraying or plain net printing nanometer wool emulsion, make the hydrophobic surface of cotton spunlace non-woven cloth matrix contain certain hydrophobic substance, solved the difficult problem that the cotton goods are difficult to realize one-way wet-guide, and the problem of having avoided nonwoven thickness that layering one-way wet-guide technology brings to increase, cotton spunlace non-woven cloth that obtains and the frivolous softness of goods are for the user of one-way wet-guide goods brings more comfortable impression.
Description of drawings
Fig. 1 is the cotton spunlace non-woven cloth structural representation of the one-way wet-guide of an embodiment of the present invention;
Fig. 2 is the cotton spunlace non-woven cloth hydrophobic surface structural representation of the one-way wet-guide of second kind of embodiment of the present invention;
Fig. 3 leads wet schematic diagram for the cotton spunlace non-woven cloth of the one-way wet-guide of second kind of embodiment of the present invention;
Fig. 4 is the cotton spunlace non-woven cloth manufacturing process flow diagram of the one-way wet-guide of an embodiment of the present invention;
Fig. 5 is the permeance property test report of the cotton spunlace non-woven cloth of an embodiment of the present invention.
The specific embodiment
In conjunction with the accompanying drawings the present invention is described in further detail below by the specific embodiment.
The invention provides a kind of cotton spunlace non-woven cloth of one-way wet-guide, this cotton spunlace non-woven cloth comprises the cotton spunlace non-woven cloth matrix of individual layer or multilayer, cotton spunlace non-woven cloth matrix has hydrophobic surface and hydrophilic surface, wherein hydrophobic surface contains the hydrophobic substance that the one-tenth by uniqueness is grouped into, and is used for moisture is conducted to hydrophilic surface from hydrophobic surface.When the hydrophobic surface of cotton spunlace non-woven cloth matrix touched moisture, moisture to the hydrophilic surface directed flow, formed differential capillary effect from hydrophobic surface, and moisture is difficult to produce adverse current.The moisture that flows to hydrophilic surface can spread rapidly or evaporate, thereby improves fast dried, the heat dispersion of cotton spunlace non-woven cloth.
Hydrophobic substance can be the hydrophobic film layer on the cotton fiber surface that is coated on hydrophobic surface, and perhaps net distribution is in the hydrophobic film layer of hydrophobic surface.Among a kind of embodiment, contain nanometer wool particle in the hydrophobic film layer, the big I of particle is decided according to process conditions, and in order to improve human comfort, preferred nanometer wool particle grain size scope is 50nm～90nm.
First embodiment:
As shown in Figure 1, cotton spunlace non-woven cloth matrix 10 is made up of the cotton fiber 13 of mutual mat.Cotton spunlace non-woven cloth matrix 10 has hydrophobic surface 11 and hydrophilic surface 12, and wherein, hydrophobic surface 11 contains hydrophobic substance.In the present embodiment, the surface that is positioned at the cotton fiber 13 of hydrophobic surface 11 is coated with hydrophobic film layer, wherein contains nanometer wool particle 14.These wool particles 14 are actually the nanometer wool protein particle that extract by certain mode from natural wool, after the cotton fiber 13 surface-coated hydrophobic film layer of hydrophobic surface 11, this part cotton fiber 13 is compared with the cotton fiber 13 of hydrophilic surface 12, its hydrophilicity is lowered, therefore between hydrophobic surface 11 and hydrophilic surface 12, produce additional pressure reduction and form differential capillary effect, can be one-way transmitted to hydrophilic surface 12 along cotton fiber 13 with hydrophobic surface 11 contacted moisture, avoided the moisture adverse current, thereby made hydrophobic surface 11 keep dry and comfortable comfortable.
Second embodiment:
In the present embodiment, the hydrophobic substance that the hydrophobic surface 11 of cotton spunlace non-woven cloth contains is the hydrophobic film layer of net distribution in hydrophobic surface 11, wherein contains nanometer wool particle 14.Present embodiment can use nanometer wool emulsion that the cotton spunlace non-woven cloth is put in order by the mode of plain net printing, only the surface of the cotton fiber 13 of printing zone is coated with hydrophobic film layer, these printing zones are at hydrophobic surface 11 formation rules or the irregular net-like pattern of cotton spunlace non-woven cloth matrix, and it is interlaced with the exposed region that the cotton fiber 13 that does not contain hydrophobic film layer forms, for example can be designed to the porous design (comprising circular hole, square hole etc.) of dense distribution, lattice etc.
As shown in Figures 2 and 3, in the present embodiment, printing zone 111 forms certain square net pattern at the hydrophobic surface 11 of cotton spunlace non-woven cloth matrix 10, makes the exposed region of the cotton fiber 13 that does not contain hydrophobic film layer form square draining space 112, has significantly reduced the hydrophilic area of hydrophobic surface 11.After plain net printing arrangement, the hydrophobic surface 11 of cotton spunlace non-woven cloth matrix 10 has different hydrophilic, hydrophobic performance with hydrophilic surface 12, when moisture such as hydrophobic surface 11 contact sweat, urine, 111 pairs of moisture of printing zone form and intercept, cotton fiber 13 in the cotton spunlace non-woven cloth matrix 10 is subjected to additional pressure reduction between hydrophobic surface 11 and the hydrophilic surface 12 and forms differential capillary effect, the moisture that concentrates in the draining space 112 is one-way transmitted to hydrophilic surface 12 also rapidly to external diffusion and evaporation along the direction of arrow, avoided the moisture adverse current, thereby made hydrophobic surface 11 keep dry and comfortable comfortable.
In fact, the cotton spunlace non-woven cloth of the one-way wet-guide of first and second kinds of embodiments can be widely used in the various products, all kinds of clothings such as coat, underwear, gloves, socks for example, sanitary napkin, panty liner, paper diaper or incontinence cloth medical sanitary goods such as (infant's nursing materials, adult incontinence productses etc.), the surface coating of these medical sanitary goods can be made by above-described cotton spunlace non-woven cloth.During use, the hydrophobic surface 11 of the cotton spunlace non-woven cloth of one-way wet-guide is as inner surface, hydrophilic surface 12 is as outer surface, hydrophobic surface 11 directly contacts with human body skin, urine, sweat, blood etc. can conduct to hydrophilic surface 12 from hydrophobic surface 11, and energy rapid osmotic and diffusion, make hydrophobic surface 11 keep dry and comfortable relatively, thereby make skin also keep dry and comfortable; And the cotton goods are not mingled with other fibrous materials, and the highly-flexible degree and the warmth retention property of combining nano wool particle 14 make goods keep air permeability and good and pliability, for the user brings more comfortable impression.
The present invention also provides a kind of manufacture method of cotton spunlace non-woven cloth of one-way wet-guide, comprises the step of using hydrophobic substance to put in order at the single face of cotton spunlace non-woven cloth matrix 10, makes a single face of cotton spunlace non-woven cloth matrix 10 reduce hydrophilicity.Still keep the one side of cotton original hydrophilicity to be called hydrophilic surface 12 after the arrangement, the one side that hydrophilicity reduces is called hydrophobic surface 11.Hydrophobic surface 11 contains hydrophobic substance after arrangement, hydrophobic substance is used for moisture is conducted to hydrophilic surface 12 from the hydrophobic surface 11 of cotton spunlace non-woven cloth matrix 10.
The 3rd embodiment:
As shown in Figure 4, when hydrophobic substance is the nanometer wool emulsion that contains nanometer wool particle 14, or when being called nanometer wool protein emulsion, the cotton spunlace non-woven cloth manufacture method of the one-way wet-guide of present embodiment may further comprise the steps:
Step S101: the single face that nanometer wool emulsion is sprayed on cotton spunlace non-woven cloth matrix 10 by spraying coating process, cotton fiber 13 surfaces that make nanometer wool emulsion be coated on hydrophobic surface 11 form hydrophobic film layer, the average grain diameter of wool particle is nanoscale, for example 75nm in the nanometer wool emulsion.Spraying consumption and technological parameter are controlled according to concrete needs, guarantee that as far as possible nanometer wool emulsion can not infiltrate into the hydrophilic surface 12 of cotton spunlace non-woven cloth matrix 10.
Particularly, the nanometer wool emulsion of present embodiment can be obtained in the following manner: the method by the base catalysis hydrolysis is handled wool, obtain protein emulsion, then thereby it is carried out nano-dispersed obtains nanometer albumen wool emulsion or powder, and powder can water-solublely obtain nanometer albumen wool emulsion.
Step S102: cotton spunlace non-woven cloth matrix 10 is carried out dried, make the hydrophobic film layer that contains nanometer wool particle 14 be coated on cotton fiber 13 surfaces of hydrophobic surface 11 securely, and keep enough aridity and pliabilitys.The baking or the other forms of dried of for example can be under 80 ℃～90 ℃ condition cotton spunlace non-woven cloth matrix 10 being carried out 3～4 hours.
As shown in Figure 4, be the performance test report that cotton spunlace non-woven cloth that the nonwoven fabric manufacture method of the 3rd embodiment obtains carries out the one-way wet-guide test.Tester is Lister AC, concrete method of testing is: the test fluid that oneself is known quantity (for example: artificial urine, surface tension is at 70dyn/cm) put into the PTEE-lined-vessel device, in the body of this device, be provided with the electromagnetic valve centre bore, test fluid can be discharged in the cotton spunlace non-woven cloth sample under dull and stereotyped with constant speed, when two electrodes begin the conducting galvanometer simultaneously, the cotton spunlace non-woven cloth sample that is placed on the filter can absorb test fluid, when test fluid is penetrated into the baffle of cotton spunlace non-woven cloth another side, electrode stops timing, obtains time of penetration Lister.
Wherein, 1 and 2 has identified twice test of different samples respectively, and Wetback represents the amount of bleeding back.By test report as can be seen, in test 1, time of penetration is about 7s, the amount of bleeding back is about 0.02g, and in test 2, time of penetration is about 5s, the amount of bleeding back is about 0.09g, but the time of penetration of twice test is all less than 10s, and the amount of bleeding back is all less than 0.1g.The hydrophobic surface 11 and the liquid permeation rate between the hydrophilic surface 12 that show the cotton spunlace non-woven cloth that obtains are very fast, and effectively reduced liquid countercurrent, therefore, the one-way wet-guide of this cotton spunlace non-woven cloth is functional, the comfort level height all can satisfy the infiltration requirement of skin-materials such as hygienic articles.
The 4th embodiment:
The nanometer wool emulsion that employing contains nanometer wool particle 14 is during as hydrophobic substance, another kind of arrangement step is specially: by mode being printed on one side at cotton spunlace non-woven cloth matrix 10 of plain net printing, make nanometer wool emulsion be the single face of net distribution in cotton spunlace non-woven cloth matrix 10, thereby form net distribution in the hydrophobic film layer of hydrophobic surface 11 at this face, only the surface of the cotton fiber 13 of printing zone is coated with hydrophobic film layer, also can carry out dried to comprehensive spunlace non-woven cloth matrix 10 according to concrete needs.In the printing process, the consumption that needs control nanometer wool emulsion, make cotton spunlace non-woven cloth matrix 10 form hydrophilic, hydrophobic sided configuration, the moisture that absorbs according to the hydrophobic surface 11 that hydrophobic film layer is arranged can be conducted to hydrophilic surface 12 from draining space 112, and disperse evaporation rapidly.
The cotton spunlace non-woven cloth manufacture method of one-way wet-guide provided by the invention, Collator Mode by spraying or plain net printing makes the hydrophobic surface 11 of cotton spunlace non-woven cloth matrix 10 contain certain hydrophobic substance, operation easily, solved the technology difficult problem that the cotton goods are difficult to realize one-way wet-guide, and the nonwoven thickness of having avoided layering one-way wet-guide technology to bring increases problem, cotton spunlace non-woven cloth that obtains and the frivolous softness of goods can satisfy certain thickness requirement.Not only quality softness, not chafe, and water imbibition, absorption of perspiration and drying property are good for goods such as cotton spunlace non-woven cloth that present embodiment is made and clothing, medical sanitary goods, can effectively avoid bleeding back, and keep human body skin dry and comfortable comfortable.
Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. the cotton spunlace non-woven cloth of an one-way wet-guide, comprise cotton spunlace non-woven cloth matrix, it is characterized in that, described cotton spunlace non-woven cloth matrix comprises hydrophobic surface and the hydrophilic surface that is separately positioned on inner surface and outer surface, and described hydrophobic surface contains and is useful on the hydrophobic substance that moisture is conducted to described hydrophilic surface from described hydrophobic surface; Described hydrophobic substance is the hydrophobic film layer that is coated on the cotton fiber surface of described hydrophobic surface, and perhaps net distribution is in the hydrophobic film layer of described hydrophobic surface; Contain nanometer wool particle in the described hydrophobic film layer; Described nanometer wool particle grain size scope is 50nm～90nm.
2. the goods of an one-way wet-guide is characterized in that, described goods comprise the cotton spunlace non-woven cloth of one-way wet-guide as claimed in claim 1.
3. the manufacture method of the cotton spunlace non-woven cloth of an one-way wet-guide is characterized in that, uses hydrophobic substance to put in order at the single face of cotton spunlace non-woven cloth matrix, and described hydrophobic substance is a nanometer wool emulsion;
Described arrangement comprises: the single face that described nanometer wool emulsion is sprayed on described cotton spunlace non-woven cloth matrix; Described cotton spunlace non-woven cloth matrix is carried out dried;
Perhaps described arrangement comprises: the mode by the plain net printing is printed on one side described cotton spunlace non-woven cloth matrix, makes described nanometer wool emulsion be the single face of net distribution in cotton spunlace non-woven cloth matrix.
4. the cotton spunlace non-woven cloth of an one-way wet-guide is characterized in that, described cotton spunlace non-woven cloth is made by the described method of claim 3.
5. the goods of an one-way wet-guide is characterized in that, described goods adopt the cotton spunlace non-woven cloth of the described one-way wet-guide of claim 4 to make.
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